The leap from how the LLMs write now to how a professional sounding scientist might write their paper is probably not that big.
Its possible now to train them on your own writing style.
Then run the whole lot through Grammarly in academic mode to get rid of flowery words and tortuous structures.
Too many academic papers try to impress with complex language rather than explaining what needs to be explained in a pithy and succinct manner.
On thing that is interesting is that they allow you to add additional prompt, because sometimes you don’t want an email to actually sound like you but it to sound like the writer you want to be (leveling up so to speak)